1、An allocation of the endowment that improves the welfare of all consumer is a Pareto-improving allocation.
A、对
B、错
2、In a Edgeworth box there are lot of allocations that are Pareto-optimal.
A、对
B、错
3、An externality is a cost or a benefit imposed upon someone by actions taken by others.
A、对
B、错
4、An economic situation involves a production externality if one firm’s production possibility is affected by the choices of the other firms not the consumers’.
A、对
B、错
5、Ronald Coase’s insight is that most externality problems are due to an inadequate specification of property rights.
A、对
B、错
6、To say that preferences are single peaked means that everybody either prefers more public goods to less or everybody prefers less public goods to more.
A、对
B、错
7、If a pure public good is provided by voluntary contributions, economic theory predicts that in general too little will be supplied.
A、对
B、错
8、One of the problems with the Clarke tax mechanism is that when it is used, people have an incentive to lie about their preferences.
A、对
B、错
9、A small economy has only two consumers, Ben and Penelope. Ben’s utility function is U (x; y) = x + 84y1/2 . Penelope’s utility function is U (x; y) = x + 7y. AtaPareto optimal allocation in which both individuals consume some of each good, how much y
A、36
B、6.5
C、12
D、13
10、According to the First Theorem of Welfare Economics:
A、Every competitive equilibrium is fair.
B、If the economy is in a competitive equilibrium, there is no way to make anyone better off.
C、A competitive equilibrium always exists.
D、None of the above.
